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Rufina [12.5K]
3 years ago
14

3) Which of the following statements about

Biology
2 answers:
Lostsunrise [7]3 years ago
6 0

Answer:

A

Explanation:

Sergeu [11.5K]3 years ago
5 0

Answer: A. It is the coldest biome

Explanation:

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Can a human male be a carrier of red-green color blindness?
miskamm [114]

Answer:

The answer is no Human male can not be carrier for the red green color blindness.

Explanation:

Red green color blindness is a sex linked disorder that is recessive in nature. If an individual male have one copy of X gene with recessive allele of the trait he will be color blind because male have only one copy of X chromosomes and one copy of Y chromosome. So, the recessive X chromosome will express itself in absence of dominant X chromosome.

For being a carrier one should be heterozygous For this gene and its not possible in males as they have only one copy of X chromosome.

Thus, the correct answer is No.

5 0
3 years ago
Suppose you have monohybrid flowers in your garden and find that they produce black seeds to brown seeds in the ratio of 3:1. If
Dvinal [7]
Hybrid = having one recessive and one dominant allele
This means that all of the flowers must have the genotype Bb.
Knowing this, let's make a Punnet Square.

\begin{tabular}{ l c } & B \ \ \ \ b\\ B & \boxed{BB}\boxed{Bb} \\ b & \boxed{Bb\ }\boxed{\ bb} \\ \end{tabular}

As you can see, 3 of these are going to have the dominant trait and 1 is going to have the recessive trait. This corresponds to our 3:1 in our question, meaning that the black seeds must be dominant and the brown ones recessive.

Because they are dominant, the genotype for black seeds could be BB <em /><em>or</em> Bb.
4 0
3 years ago
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Help with these two questions, porfavor! :'/
Aliun [14]

The number of chromosomes does not correlate with the apparent complexity of an animal or a plant:

in humans, for example, the diploid number is 2n = 46 (that is, 23 pairs), compared with 2n = 78, or 39 pairs, in the dog and 2n = 36 (18) in the common earthworm.

4 0
3 years ago
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I need this by 7:
zalisa [80]

Answer:

Earth can be divided into three main layers: the core, the mantle and the crust. Each of these layers can be further divided into two parts: the inner and outer core, the upper and lower mantle and the continental and oceanic crust. Both the inner and outer core are made up of mostly iron and a little bit of nickel.

Explanation:

3 0
3 years ago
Organisms undergo many different processes in order to be able to store energy and utilize that energy. Through which of the fol
Nikolay [14]

hi there

tour answer to this is :     Adenosine Triphosphate)  

A high-energy molecule that cells use for processes such as growth and movement.releases energy from glucose

i hope this helps out

have a great morning

FaithRawlins14

8 0
3 years ago
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